Sh2-134, Sh2-135 & Black Fish

Image information:

Date: 10/09/2010
Equipment: SBIG ST2000XM with CFW10 using 5nm Astrodon Ha filter and Astrodon I series Gen II RGB filter set through Voigtlander 125mm Macro APO Lanthar telephoto lens on Losmandy GM8 mount. Lens was working at f4.
Image type: Ha(Ha+R)GB
Exposure time: 8X12min Ha binned 1X1, RG&B 8X8min each binned 1X1
Comment:  

Object information:

Object designations:

  • Sh2-134
  • Sh2-135
  • B169-71, Black Fish Nebula
Object type:
  • Sh2-134, Sh2-135 - Diffuse emission nebulae
  • B169-71 - Dark nebulae
Object size:
325' X 244' (field dimensions)
Constellation: Cepheus
Comment:
Sh2-134 is a vast H II region which spans more than 140ly and is some 3000ly distant. It covers almost 5 degrees of sky in the constellation of Cepheus. Two brightest stars at the bottom of the image are ?Cep (bluish) and ?Cep. Brighter patch of the nebulosity above the line between ? and ? is Sh2-135. In the lower right quarter of the image Black Fish nebula is visible. It is a complex of dark nebulae obscuring the stars and nebulosity behind it.

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